Sensory Dermatome Body Map

Each of the spinal nerves provides sensation to a predictable area of skin.

Back pain is one of the most common complaints and therefore examples of this:

Pain radiating down the leg to the small toe in the general pattern of the S1 dermatome suggests that a herniated disk may be pinching the S1 nerve root in the spine.

A sensory Dermatome Map allows for assessment of the nerves and neural pathways:

 

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